DE20013704U1 - Dust protection structure for solid-state rods of projection devices - Google Patents

Dust protection structure for solid-state rods of projection devices

Info

Publication number
DE20013704U1
DE20013704U1 DE20013704U DE20013704U DE20013704U1 DE 20013704 U1 DE20013704 U1 DE 20013704U1 DE 20013704 U DE20013704 U DE 20013704U DE 20013704 U DE20013704 U DE 20013704U DE 20013704 U1 DE20013704 U1 DE 20013704U1
Authority
DE
Germany
Prior art keywords
chamber
dust protection
solid
protection plate
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20013704U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optoma Corp
Original Assignee
Optoma Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optoma Corp filed Critical Optoma Corp
Publication of DE20013704U1 publication Critical patent/DE20013704U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Road Signs Or Road Markings (AREA)
  • Casings For Electric Apparatus (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (5)

1. Staubschutzstruktur für den Festkörperstab von Projektionsvorrichtungen, wobei der Festkörperstab (3) eine Oberfläche (31) für den auftreffenden Strahl und eine Oberfläche (32) für den austretenden Strahl aufweist, gekennzeichnet durch
ein Gehäuse (2), das eine erste Kammer (21) und eine zweite Kammer (22) umfaßt, die miteinander verbunden sind, wobei der Querschnitt der zweiten Kammer (22) größer als derjenige der ersten Kammer (21) ist und wobei die erste Kammer (21) den Festkörperstab (3) enthält, wobei das der zweiten Kammer (22) gegenüberliegende Ende der ersten Kammer (21) einen Anschlagabschnitt (23) besitzt, an dem der Festkörperstab (3) anschlägt, und
eine Staubschutzplatte (4), die eine lichtdurchlässige Platte umfaßt, in der zweiten Kammer (22) des Gehäuses (2) enthalten ist und die Oberfläche (32) für den austretenden Strahl des Festkörperstabs (3) vollständig abdeckt.1. Dust protection structure for the solid rod of projection devices, the solid rod ( 3 ) having a surface ( 31 ) for the incident beam and a surface ( 32 ) for the emerging beam, characterized by
a housing ( 2 ) comprising a first chamber ( 21 ) and a second chamber ( 22 ) which are connected to one another, the cross section of the second chamber ( 22 ) being larger than that of the first chamber ( 21 ) and the first Chamber ( 21 ) contains the solid rod ( 3 ), the end of the first chamber ( 21 ) opposite the second chamber ( 22 ) having a stop section ( 23 ) against which the solid rod ( 3 ) strikes, and
a dust protection plate ( 4 ), which comprises a translucent plate, is contained in the second chamber ( 22 ) of the housing ( 2 ) and completely covers the surface ( 32 ) for the emerging jet of the solid-state rod ( 3 ). 2. Struktur nach Anspruch 1, gekennzeichnet durch eine Befestigungsabdeckung (6) mit einem Fenster (61) im Mittelabschnitt und mehreren Haken (62, 63) an den Rändern, die mit dem Gehäuse (2) in Eingriff sind, um die Staubschutzplatte (4) abzudecken bzw. an der zweiten Kammer (22) zu befestigen.2. Structure according to claim 1, characterized by a fastening cover ( 6 ) with a window ( 61 ) in the central portion and a plurality of hooks ( 62 , 63 ) on the edges, which engage with the housing ( 2 ), around the dust protection plate ( 4th ) to cover or attach to the second chamber ( 22 ). 3. Struktur nach Anspruch 2, dadurch gekennzeichnet, daß die Staubschutzplatte (4) zunächst durch ein Dämpfungskissen (5) mit einem Fenster (51) im Mittelabschnitt und dann durch die Befestigungsabdeckung (6) abgedeckt ist.3. Structure according to claim 2, characterized in that the dust protection plate ( 4 ) is first covered by a cushion ( 5 ) with a window ( 51 ) in the central section and then by the fastening cover ( 6 ). 4. Struktur nach Anspruch 1, dadurch gekennzeichnet, daß das Ende der zweiten Kammer (22) des Gehäuses (2) im wesentlichen symmetrisch mit mehreren Haken (25) versehen ist, so daß die Staubschutzplatte (4) festgehalten wird, wenn sie an der zweiten Kammer (22) installiert ist.4. Structure according to claim 1, characterized in that the end of the second chamber ( 22 ) of the housing ( 2 ) is provided substantially symmetrically with a plurality of hooks ( 25 ) so that the dust protection plate ( 4 ) is held when it is on the second chamber ( 22 ) is installed. 5. Struktur nach Anspruch 1, dadurch gekennzeichnet, daß die Randflächen der Staubschutzplatte (4) an den Seitenwänden (221) der zweiten Kammer (22) angeklebt und befestigt sind.5. Structure according to claim 1, characterized in that the edge surfaces of the dust protection plate ( 4 ) on the side walls ( 221 ) of the second chamber ( 22 ) are glued and fixed.
DE20013704U 2000-03-17 2000-08-09 Dust protection structure for solid-state rods of projection devices Expired - Lifetime DE20013704U1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW089204447U TW414327U (en) 2000-03-17 2000-03-17 Dust-free structure for integration pillar of projector

Publications (1)

Publication Number Publication Date
DE20013704U1 true DE20013704U1 (en) 2000-10-05

Family

ID=21665496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20013704U Expired - Lifetime DE20013704U1 (en) 2000-03-17 2000-08-09 Dust protection structure for solid-state rods of projection devices

Country Status (4)

Country Link
US (1) US6394611B1 (en)
JP (1) JP2001264881A (en)
DE (1) DE20013704U1 (en)
TW (1) TW414327U (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182471B2 (en) * 2003-05-30 2007-02-27 Funai Electric Co., Ltd. Projection type display apparatus
JP5041217B2 (en) * 2007-06-20 2012-10-03 カシオ計算機株式会社 projector
JP5424457B2 (en) * 2009-02-05 2014-02-26 矢崎総業株式会社 Lighting fixture for vehicle with prism
US9835854B1 (en) * 2013-05-30 2017-12-05 Kla-Tencor Corporation Apparatus for shielding a homogenizer
US10222687B2 (en) * 2016-03-21 2019-03-05 Hisense Co., Ltd. Light homogenizing device and laser projection apparatus
CN112797373B (en) * 2019-11-13 2023-06-20 深圳市绎立锐光科技开发有限公司 Light guide assembly and optical system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456329A (en) * 1979-10-12 1984-06-26 Westinghouse Electric Corp. Optical device having multiple wavelength dependent optical paths
US5625738A (en) * 1994-06-28 1997-04-29 Corning Incorporated Apparatus for uniformly illuminating a light valve
US5530940A (en) * 1995-02-02 1996-06-25 Rohm And Haas Company Coupling device for light pipe system

Also Published As

Publication number Publication date
TW414327U (en) 2000-12-01
US6394611B1 (en) 2002-05-28
JP2001264881A (en) 2001-09-26

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20001109

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20031006

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20060927

R158 Lapse of ip right after 8 years

Effective date: 20090303